<template lang="">
    <div>
        <button @click = "clickHandler">Call father</button>
    </div>
</template>
<script>
export default {
    data()
    {
        return{
            subject:"网站开发技术",
            score:88,
        };
        
    },
    methods:{
        clickHandler(){
            // 使用$emit事件score给父组件,传递科目名称和分数
            this.$emit('score',this.subject,this.score)
        }
    }
}
</script>
<style lang="">
    
</style>